m3_lightmeter/integration_test/generate_screenshots.dart

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Dart
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import 'dart:convert';
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:integration_test/integration_test.dart';
import 'package:lightmeter/data/models/ev_source_type.dart';
import 'package:lightmeter/data/models/metering_screen_layout_config.dart';
import 'package:lightmeter/data/models/theme_type.dart';
import 'package:lightmeter/data/models/volume_action.dart';
import 'package:lightmeter/data/shared_prefs_service.dart';
import 'package:lightmeter/generated/l10n.dart';
import 'package:lightmeter/res/dimens.dart';
import 'package:lightmeter/res/theme.dart';
import 'package:lightmeter/screens/metering/components/bottom_controls/components/measure_button/widget_button_measure.dart';
import 'package:lightmeter/screens/metering/components/shared/readings_container/components/iso_picker/widget_picker_iso.dart';
import 'package:lightmeter/screens/settings/components/metering/components/equipment_profiles/components/equipment_profile_screen/components/equipment_profile_container/widget_container_equipment_profile.dart';
import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'utils/platform_channel_mock.dart';
import 'utils/widget_tester_actions.dart';
//https://stackoverflow.com/a/67186625/13167574
void main() {
final binding = IntegrationTestWidgetsFlutterBinding();
IntegrationTestWidgetsFlutterBinding.ensureInitialized();
final Color lightThemeColor = primaryColorsList[5];
final Color darkThemeColor = primaryColorsList[3];
void mockSharedPrefs(ThemeType theme, Color color) {
SharedPreferences.setMockInitialValues({
/// Metering values
UserPreferencesService.evSourceTypeKey: EvSourceType.camera.index,
UserPreferencesService.isoKey: 400,
UserPreferencesService.ndFilterKey: 0,
/// Metering settings
UserPreferencesService.stopTypeKey: StopType.third.index,
UserPreferencesService.cameraEvCalibrationKey: 0.0,
UserPreferencesService.lightSensorEvCalibrationKey: 0.0,
UserPreferencesService.meteringScreenLayoutKey: json.encode(
{
MeteringScreenLayoutFeature.equipmentProfiles: true,
MeteringScreenLayoutFeature.extremeExposurePairs: true,
MeteringScreenLayoutFeature.filmPicker: true,
MeteringScreenLayoutFeature.histogram: false,
}.toJson(),
),
/// General settings
UserPreferencesService.caffeineKey: true,
UserPreferencesService.hapticsKey: true,
UserPreferencesService.volumeActionKey: VolumeAction.shutter.toString(),
UserPreferencesService.localeKey: 'en',
/// Theme settings
UserPreferencesService.themeTypeKey: theme.index,
UserPreferencesService.primaryColorKey: color.value,
UserPreferencesService.dynamicColorKey: false,
});
}
/// Generates several screenshots with the light theme
testWidgets(
'Generate light theme screenshots',
(tester) async {
mockSharedPrefs(ThemeType.light, lightThemeColor);
await tester.pumpApplication();
await tester.takePhoto();
await tester.takeScreenshot(binding, '${lightThemeColor.value}_metering_reflected');
if (Platform.isAndroid) {
await tester.tap(find.byTooltip(S.current.tooltipUseLightSensor));
await tester.pumpAndSettle();
await tester.tap(find.byType(MeteringMeasureButton));
await sendMockIncidentEv(7.3);
await tester.tap(find.byType(MeteringMeasureButton));
await tester.takeScreenshot(binding, '${lightThemeColor.value}_metering_incident');
}
await tester.tap(find.byType(IsoValuePicker));
await tester.pumpAndSettle(Dimens.durationL);
await tester.takeScreenshot(binding, '${lightThemeColor.value}_metering_iso_picker');
await tester.tapCancelButton();
await tester.tap(find.byTooltip(S.current.tooltipOpenSettings));
await tester.pumpAndSettle();
await tester.takeScreenshot(binding, '${lightThemeColor.value}_settings');
await tester.tapListTile(S.current.meteringScreenLayout);
await tester.takeScreenshot(binding, '${lightThemeColor.value}_settings_metering_screen_layout');
await tester.tapCancelButton();
await tester.tapListTile(S.current.equipmentProfiles);
await tester.tap(find.byType(EquipmentProfileContainer).first);
await tester.pumpAndSettle();
await tester.takeScreenshot(binding, '${lightThemeColor.value}-equipment_profiles');
await tester.tap(find.byIcon(Icons.iso).first);
await tester.pumpAndSettle();
await tester.takeScreenshot(binding, '${lightThemeColor.value}_equipment_profiles_iso_picker');
},
);
/// and the additionally the first one with the dark theme
testWidgets(
'Generate dark theme screenshots',
(tester) async {
mockSharedPrefs(ThemeType.dark, darkThemeColor);
await tester.pumpApplication();
await tester.takePhoto();
await tester.takeScreenshot(binding, '${darkThemeColor.value}_metering_reflected');
if (Platform.isAndroid) {
await tester.tap(find.byTooltip(S.current.tooltipUseLightSensor));
await tester.pumpAndSettle();
await tester.tap(find.byType(MeteringMeasureButton));
await sendMockIncidentEv(7.3);
await tester.tap(find.byType(MeteringMeasureButton));
await tester.takeScreenshot(binding, '${darkThemeColor.value}_metering_incident');
}
},
);
}
extension on WidgetTester {
Future<void> takeScreenshot(IntegrationTestWidgetsFlutterBinding binding, String name) async {
if (Platform.isAndroid) {
await binding.convertFlutterSurfaceToImage();
await pumpAndSettle();
}
await binding.takeScreenshot(name);
await pumpAndSettle();
}
Future<void> tapListTile(String title) async {
final listTile = find.byWidgetPredicate(
(widget) => widget is ListTile && widget.title is Text && (widget.title as Text?)?.data == title,
);
expect(listTile, findsOneWidget);
await tap(listTile);
await pumpAndSettle();
}
}